CN114894288B - Calibration device, calibration method and electronic belt scale - Google Patents
Calibration device, calibration method and electronic belt scale Download PDFInfo
- Publication number
- CN114894288B CN114894288B CN202210493700.3A CN202210493700A CN114894288B CN 114894288 B CN114894288 B CN 114894288B CN 202210493700 A CN202210493700 A CN 202210493700A CN 114894288 B CN114894288 B CN 114894288B
- Authority
- CN
- China
- Prior art keywords
- liquid
- box body
- liquid outlet
- calibration device
- liquid inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 358
- 238000005303 weighing Methods 0.000 claims abstract description 68
- 238000012795 verification Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000007872 degassing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
Abstract
The invention relates to the technical field of metering devices, in particular to a calibration device, a calibration method and an electronic belt scale. The calibration device provided by the invention is used for calibrating an electronic belt scale and comprises a box body, a liquid inlet flowmeter and a liquid outlet flowmeter. In the calibration process, liquid is filled into the box body, the volume of the liquid in the box body is determined through the liquid inlet flowmeter and the liquid outlet flowmeter, and the mass of the liquid in the box body is determined by combining the density of the liquid in the box body. And then the mass of the liquid in the box body is used as a calibrated standard quantity, the standard quantity is compared with the mass displayed by a weighing instrument of the electronic belt scale, the flexibility of the quantity of the injected liquid is utilized, the specific mass value applied to the electronic belt scale can be accurately realized for verification, the mass of the liquid which is injected with different masses for multiple times is convenient for calibrating any point load in the whole range of the electronic belt scale, and the accuracy of the linearity verification of the electronic belt scale is ensured.
Description
Technical Field
The invention relates to the technical field of metering devices, in particular to a calibration device, a calibration method and an electronic belt scale.
Background
The electronic belt scale is a metering device for dynamically and continuously weighing bulk materials transported by a belt conveyor. The accuracy of the electronic belt scale is closely related to the periodic verification of the electronic belt scale in addition to the product quality, the installation position, the installation quality and the test system.
The periodic verification is used to find and confirm whether the electronic belt scale meets the weighing criteria. The device is used for periodically calibrating the measuring range of the electronic belt scale, so that the accuracy of weighing and metering is ensured. In the related art, dynamic cyclic chain code verification and hanging code verification are generally adopted.
However, in the above verification manner, the dynamic circulation chain code verification and the hanging code verification can only verify the belt scale with a fixed load, and the full-range calibration of the electronic belt scale cannot be realized.
Disclosure of Invention
The invention provides a calibration device, a calibration method and an electronic belt scale, which can effectively solve the above or other potential technical problems.
A first aspect of the present invention provides a calibration device for calibrating an electronic belt scale, the electronic belt scale comprising a scale body, a weighing sensor and a weighing instrument; the weighing device comprises a weighing body, a weighing sensor, a calibration device and a control device, wherein the weighing body is used for bearing an object to be measured, the weighing sensor is connected with the weighing body, the weighing sensor is electrically connected with the weighing instrument and used for transmitting bearing information of the weighing body to the weighing instrument, and the calibration device comprises a box body, a liquid inlet flowmeter and a liquid outlet flowmeter; the box body is used for containing liquid and is connected with the balance body of the electronic belt balance, and is provided with a liquid inlet and a liquid outlet; the liquid inlet flowmeter is connected with the liquid inlet of the box body and is used for measuring the volume of liquid flowing into the box body through the liquid inlet; the liquid outlet flowmeter is connected with the liquid outlet of the box body and is used for measuring the volume of liquid flowing out of the box body through the liquid outlet; the liquid inlet flowmeter and the liquid outlet flowmeter are electrically connected with the weighing instrument of the electronic belt scale.
The calibration device provided by the invention is used for calibrating an electronic belt scale and comprises a box body, a liquid inlet flowmeter and a liquid outlet flowmeter; the box body is used for containing liquid and is connected with the balance body of the electronic belt balance, and is provided with a liquid inlet and a liquid outlet; the liquid inlet flowmeter is connected with the liquid inlet of the box body and is used for measuring the volume of liquid flowing into the box body through the liquid inlet; the liquid outlet flowmeter is connected with the liquid outlet of the box body and is used for measuring the volume of liquid flowing out of the box body through the liquid outlet; the liquid inlet flowmeter and the liquid outlet flowmeter are electrically connected with the weighing instrument of the electronic belt scale. In the calibration process, liquid is filled into the box body, the volume of the liquid in the box body is determined through the liquid inlet flowmeter and the liquid outlet flowmeter, and the mass of the liquid in the box body is determined by combining the density of the liquid in the box body. And then comparing the quality of the liquid in the box body with the quality displayed by a weighing instrument of the electronic belt scale, and filling the liquid into the box body for multiple times until all the set load quality is verified, so that the full-range verification work of the whole belt scale is completed. The flexibility of the quality of the injected liquid is utilized, the specific quality value can be accurately detected, and meanwhile, the injected liquid is convenient to calibrate for a plurality of times, so that the accuracy of detection of the electronic belt scale is ensured.
In an alternative embodiment according to the first aspect, the calibration device further comprises a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe being connected to the liquid inlet and the liquid outlet pipe being connected to the liquid outlet.
So set up, be convenient for to the filling liquid in the box to and the liquid in the discharge box.
In an alternative embodiment according to the first aspect, the calibration device further comprises a liquid inlet valve body and a liquid outlet valve body; the liquid inlet valve body is connected with the liquid inlet pipeline and used for controlling the on-off of the liquid inlet pipeline; the liquid outlet valve body is connected with the liquid outlet pipeline and used for controlling the on-off of the liquid outlet pipeline; the liquid inlet valve body and the liquid outlet valve body are electrically connected with a weighing instrument of the electronic belt scale.
The arrangement can be convenient for realizing the on-off control of the liquid inlet pipeline and the liquid outlet pipeline.
In an alternative embodiment according to the first aspect, the inlet valve body comprises a solenoid valve; and/or the liquid outlet valve body comprises an electromagnetic valve.
The electromagnetic valve has good control precision and flexibility, can work normally in vacuum, negative pressure and zero pressure, has higher safety and strong reliability, and can effectively control the liquid inlet pipeline and the liquid outlet pipeline.
In an alternative embodiment according to the first aspect, the calibration device further comprises a liquid inlet waterproof cover and a liquid outlet waterproof cover; the liquid inlet waterproof cover is covered at the joint of the liquid inlet and the liquid inlet pipeline, and is opened under the action of external force when liquid is required to be filled into the box body, so that the liquid inlet pipeline is communicated with the liquid inlet; the liquid outlet waterproof cover is covered at the joint of the liquid outlet and the liquid outlet pipeline, and when the liquid in the box body needs to be discharged, the liquid outlet waterproof cover is opened under the action of external force, so that the liquid outlet pipeline is communicated with the liquid outlet.
So set up, can guarantee that feed liquor pipeline and inlet contactless, go out liquid pipeline and liquid outlet contactless reduces the influence of feed liquor pipeline and liquid outlet pipeline to the measurement, further reduces feed liquor pipeline and liquid outlet pipeline and water tank linkage, pulls, to the influence of measurement result, further guarantees the accuracy of measurement.
In an alternative embodiment according to the first aspect, the calibration device further comprises a first driving member and a second driving member, both of which are electrically connected to the weighing instrument of the electronic belt scale; the first driving piece is in transmission connection with the liquid inlet waterproof cover, and the second driving piece is in transmission connection with the liquid outlet waterproof cover.
By the arrangement, the liquid inlet waterproof cover and the liquid outlet waterproof cover are simpler and easier to open and close.
In an alternative embodiment according to the first aspect, the calibration device further comprises a temperature sensor arranged in the tank for measuring the temperature of the liquid in the tank, the temperature sensor being electrically connected to the weighing meter of the electronic belt scale; and/or the liquid contained within the tank comprises water.
The temperature sensor is arranged, so that the calculated liquid quality is more accurate, the accuracy of a calculation result is ensured, and the calibration accuracy is further improved. The liquid that holds in the box includes water, so set up, the water use is comparatively general, easily obtains, can reduce the demarcation cost effectively. Meanwhile, the stability of water is good, compared with corrosive liquid, the probability of corrosion of the tank body is small, and the stability of the tank body structure is further guaranteed.
In an alternative embodiment according to the first aspect, the calibration device further comprises wave plates arranged in a case at intervals; the wave board is provided with water holes; and/or the calibration device further comprises a degassing filter, wherein the degassing filter is arranged in the box body and is used for filtering gas in liquid in the box body.
It should be noted that the breakwater can effectively prevent the liquid in the box from violently shaking to influence the metering result. The water passing holes on the wave plates facilitate the liquid in the box body to flow between the adjacent wave plates, effectively reduce the shaking of the liquid water in the box body and improve the metering precision. The degassing filter is arranged, and gas generated in the process of filling liquid into the box body is filtered out through the degassing filter, so that the metering accuracy is further improved.
The second aspect of the present invention also provides a calibration method, which is applied to the calibration device, and includes:
adding a preset amount of liquid into a box body of the calibration device for the first time;
measuring the volume of the first added liquid through a liquid inlet flowmeter and a liquid outlet flowmeter of the calibration device;
determining the mass of the liquid added for the first time according to the measured volume of the liquid added for the first time and the measured density of the liquid, starting an electronic belt scale for the first time verification, and recording a verification result;
adding a preset amount of liquid into the box body of the calibration device for the second time;
measuring the volume of the liquid added for the second time through a liquid inlet flowmeter and a liquid outlet flowmeter of the calibration device;
determining the sum of the mass of the first and second added liquids based on the measured sum of the volumes of the first and second added liquids and the density of the liquids; starting an electronic belt scale for a second verification and recording a verification result;
repeatedly adding liquid into the box body of the calibration device, and determining the mass sum of the liquid in the box body according to the measured sum of the volumes of the liquid added into the box body and the density of the liquid; and starting the electronic belt scale to perform full-range verification and recording a verification result.
The calibration method provided by the invention is applied to the calibration device, so that the calibration device also has the technical effects of accurately calibrating the specific quality value, and simultaneously, the calibration method is convenient for calibrating the liquid for multiple times, thereby ensuring the calibration accuracy of the electronic belt scale.
The third aspect of the invention also provides an electronic belt scale, which comprises a scale body, a weighing sensor, a weighing instrument and the calibrating device; the weighing sensor is connected with the scale body and is electrically connected with the weighing instrument; the box body of the calibration device is connected with the scale body of the electronic belt scale; the liquid inlet flowmeter of the calibration device and the liquid outlet flowmeter of the calibration device are electrically connected with the weighing instrument of the electronic belt scale.
The electronic belt scale provided by the invention has the technical effects that the calibration device can accurately calibrate the specific quality value, and meanwhile, the liquid is conveniently poured into the belt scale for multiple times for multiple calibration, so that the calibration accuracy of the electronic belt scale is ensured.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and other objects, features and advantages of embodiments of the present invention will become more readily apparent from the following detailed description with reference to the accompanying drawings. Embodiments of the invention will now be described, by way of example and not limitation, in the figures of the accompanying drawings, in which:
FIG. 1 is a schematic diagram of the whole structure of a calibration device and an electronic belt scale according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of another exploded structure of the calibration device according to the embodiment of the present invention;
fig. 3 is a three-view of the internal structure of the case of the calibration device according to the embodiment of the present invention.
Reference numerals:
100. a calibration device;
110. a case; 120. a feed liquid flow meter;
130. a liquid inlet pipe; 140. a liquid outlet pipe;
150. a liquid inlet valve body; 160. a liquid outlet valve body;
170. a liquid inlet waterproof cover; 180. a breakwater;
181. a water passing hole;
200. an electronic belt scale;
210. a scale body; 220. a weighing sensor;
230. weighing instrument.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
It should be understood that the following examples do not limit the order of execution of the steps in the method claimed in the present invention. The individual steps of the method of the invention can be carried out in any possible order and in a cyclic manner without contradiction.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The periodic verification is used to find and confirm whether the electronic belt scale meets the weighing criteria. The device is used for periodically calibrating the measuring range of the electronic belt scale, so that the accuracy of weighing and metering is ensured. In the related art, dynamic cyclic chain code verification and hanging code verification are generally adopted. However, in the above verification manner, the dynamic circulation chain code verification and the hanging code verification can only verify the belt scale with a fixed load, and the full-range calibration of the electronic belt scale cannot be realized.
In view of the above, the calibration device provided by the invention is used for calibrating an electronic belt scale and comprises a box body, a liquid inlet flowmeter and a liquid outlet flowmeter; the box body is used for containing liquid and is connected with the balance body of the electronic belt balance, and is provided with a liquid inlet and a liquid outlet; the liquid inlet flowmeter is connected with the liquid inlet of the box body and is used for measuring the volume of liquid flowing into the box body through the liquid inlet; the liquid outlet flowmeter is connected with the liquid outlet of the box body and is used for measuring the volume of liquid flowing out of the box body through the liquid outlet; the liquid inlet flowmeter and the liquid outlet flowmeter are electrically connected with the weighing instrument of the electronic belt scale. In the calibration process, liquid is filled into the box body, the volume of the liquid in the box body is determined through the liquid inlet flowmeter and the liquid outlet flowmeter, and the mass of the liquid in the box body is determined by combining the density of the liquid in the box body. And then comparing the quality of the liquid in the box body with the quality displayed by a weighing instrument of the electronic belt scale, and filling the liquid into the box body for multiple times until all the set load quality is verified, so that the full-range verification work of the whole belt scale is completed. The flexibility of the quality of the injected liquid is utilized, the specific quality value can be accurately detected, and meanwhile, the injected liquid is convenient to calibrate for a plurality of times, so that the accuracy of detection of the electronic belt scale is ensured.
Fig. 1 is a schematic diagram of an overall structure of a calibration device and an electronic belt scale according to an embodiment of the present invention, and fig. 2 is a schematic diagram of another exploded structure of the calibration device according to an embodiment of the present invention. Referring to fig. 1 and 2, the calibration device 100 provided by the embodiment of the invention is used for calibrating an electronic belt scale 200, wherein the electronic belt scale 200 comprises a scale body 210, a weighing sensor 220 and a weighing instrument 230; the scale body 210 is used for bearing an object to be measured, the weighing sensor 220 is connected with the scale body 210, the weighing sensor 220 is electrically connected with the weighing instrument 230, and is used for transmitting the bearing information of the scale body 210 to the weighing instrument 230, and the calibration device 100 comprises a box body 110, a liquid inlet flowmeter 120 and a liquid outlet flowmeter (not shown in the figure); the box body 110 is used for containing liquid, the box body 110 is connected with the scale body 210 of the electronic belt scale 200, and the box body 110 is provided with a liquid inlet and a liquid outlet; the liquid inlet flow meter 120 is connected to the liquid inlet of the box 110, and is used for measuring the volume of liquid flowing into the box 110 through the liquid inlet; the liquid outlet flowmeter is connected to the liquid outlet of the box 110 and is used for measuring the volume of liquid flowing out of the box 110 through the liquid outlet; the inlet flowmeter 120 and the outlet flowmeter are electrically connected with the weighing instrument 230 of the electronic belt scale 200.
It should be noted that, the inlet flowmeter 120 and the outlet flowmeter are electrically connected to the weighing meter 230 of the electronic belt scale 200, and the weighing meter 230 can accurately calculate the volume of the liquid in the tank 110.
In an alternative exemplary embodiment, specifically, both the inlet flow meter 120 and the outlet flow meter employ high precision meters, thereby ensuring accuracy of the metering.
In an alternative exemplary embodiment, calibration device 100 further includes a liquid inlet conduit 130 and a liquid outlet conduit 140, liquid inlet conduit 130 being connected to the liquid inlet and liquid outlet conduit 140 being connected to the liquid outlet.
It should be noted that, in this embodiment, the liquid inlet pipe 130 and the liquid outlet pipe 140 are provided, and the liquid inlet pipe 130 is connected to the liquid inlet, and the liquid outlet pipe 140 is connected to the liquid outlet, so that the liquid can flow into the tank 110 through the liquid inlet pipe 130 when the calibration is needed. After calibration is completed, the liquid in the tank 110 can pass through the liquid outlet and be discharged through the liquid outlet pipe 140, so that the liquid can be conveniently filled into the tank 110 and the liquid in the tank 110 can be conveniently discharged.
In an alternative exemplary embodiment, further comprising a liquid inlet valve body 150 and a liquid outlet valve body 160; the liquid inlet valve body 150 is connected to the liquid inlet pipe 130 and is used for controlling on-off of the liquid inlet pipe 130; the liquid outlet valve 160 is connected to the liquid outlet pipe 140, and is used for controlling the on-off state of the liquid outlet pipe 140; both the liquid inlet valve body 150 and the liquid outlet valve body 160 are electrically connected with the weighing instrument 230 of the electronic belt scale 200.
In particular, in the present embodiment, the liquid inlet valve body 150 and the liquid outlet valve body 160 are provided, so that the on-off control of the liquid inlet pipe 130 and the liquid outlet pipe 140 can be conveniently realized.
In an alternative exemplary embodiment, the inlet valve body 150 includes a solenoid valve.
In particular, in this embodiment, the liquid inlet valve body 150 includes an electromagnetic valve, which has good control accuracy and flexibility, and can normally work in vacuum, negative pressure and zero pressure, so that the safety is high, the reliability is high, and the liquid inlet pipe 130 can be effectively controlled.
In an alternative exemplary embodiment, the outlet valve body 160 comprises a solenoid valve.
In particular, in the present embodiment, the liquid outlet valve 160 includes a solenoid valve, which has good control accuracy and flexibility, and can normally operate in vacuum, negative pressure and zero pressure, so that the safety is high, the reliability is high, and the liquid outlet pipe 140 can be effectively controlled.
In an alternative exemplary embodiment, calibration device 100 further includes a liquid inlet waterproof cover 170 and a liquid outlet waterproof cover (shown in the figures); the liquid inlet waterproof cover 170 is covered at the joint of the liquid inlet and the liquid inlet pipeline 130, when liquid needs to be filled into the box body 110, the liquid inlet waterproof cover 170 is opened under the action of external force, so that the liquid inlet pipeline 130 is communicated with the liquid inlet; the liquid outlet waterproof cover is covered at the joint of the liquid outlet and the liquid outlet pipe 140, and when the liquid in the box 110 needs to be discharged, the liquid outlet waterproof cover is opened under the action of external force, so that the liquid outlet pipe 140 is communicated with the liquid outlet.
In particular, in this embodiment, the liquid inlet waterproof cover 170 and the liquid outlet waterproof cover are provided, and when liquid needs to be filled into the tank 110, the liquid inlet waterproof cover 170 is opened first, so that the liquid inlet pipe 130 is communicated with the liquid inlet, and then the liquid is filled into the tank 110. When the liquid in the tank 110 needs to be discharged, the liquid outlet waterproof cover is opened, so that the liquid outlet pipeline 140 is communicated with the liquid outlet, and then the liquid in the tank 110 is discharged. So set up, can guarantee that feed liquor pipeline 130 and inlet contactless, drain pipe 140 and liquid outlet contactless reduces the influence of feed liquor pipeline 130 and drain pipe 140 to the measurement, further reduces feed liquor pipeline 130 and drain pipe 140 and water tank linkage, pulls, to the influence of measurement result, further guarantees the accuracy of measurement.
In an alternative exemplary embodiment, the calibration device 100 further comprises a first drive member and a second drive member, each of which is electrically connected to the weighing scale 230 of the electronic belt scale 200; the first driving piece is in transmission connection with the liquid inlet waterproof cover 170, and the second driving piece is in transmission connection with the liquid outlet waterproof cover.
In particular, in this embodiment, when the liquid needs to be filled into the tank 110, the first driving member is controlled by the weighing instrument 230 of the electronic belt scale 200, and the first driving member drives the liquid inlet waterproof cover 170 to be opened in a transmission manner, so that the liquid inlet pipe 130 is communicated with the liquid inlet. When the liquid in the tank 110 needs to be discharged, the weighing instrument 230 of the electronic belt scale 200 can control the second driving member to drive the liquid outlet waterproof cover to be opened, so that the liquid outlet pipeline 140 is communicated with the liquid outlet. The first driving member and the second driving member are arranged, so that the opening and closing of the liquid inlet waterproof cover 170 and the liquid outlet waterproof cover are simpler and easier to operate.
In an alternative exemplary embodiment, the calibration device 100 further comprises a temperature sensor (not shown in the figures) disposed in the housing 110 for measuring the temperature of the liquid in the housing 110, the temperature sensor being electrically connected to the weighing instrument 230 of the electronic belt scale 200.
In particular, in the present embodiment, a temperature sensor is disposed in the tank 110 for measuring the temperature of the liquid in the tank 110. In the use process, the temperature of the liquid in the box 110 can be measured in real time, and the density of the liquid changes along with the temperature change, so that the real-time temperature of the liquid measured by the temperature sensor is combined with the volume determined by the meter, the quality of the calculated liquid is more accurate, the accuracy of a calculation result is ensured, and the calibration accuracy is further improved.
It should be further noted that, the temperature sensor is electrically connected to the weighing instrument 230 of the electronic belt scale 200, so that the temperature sensor can transmit the temperature of the liquid to the weighing instrument 230 of the electronic belt scale 200, so as to calculate the density of the liquid more accurately.
In an alternative exemplary embodiment, the liquid contained within the tank 110 includes water.
In particular, in the present embodiment, the liquid contained in the tank 110 includes water, that is, the liquid filled into the tank 110 is water, so that the water is generally used and is easy to obtain, and the calibration cost can be effectively reduced. Meanwhile, the stability of water is good, compared with corrosive liquid, the probability of corrosion to the box body 110 by the user is small, and the stability of the structure of the box body 110 is further guaranteed.
Fig. 3 is a three-view of the internal structure of the case of the calibration device according to the embodiment of the present invention. Referring to fig. 3, in an alternative exemplary embodiment, the calibration device 100 further includes wave plates 180, and the wave plates 180 are arranged in the case 110 at intervals; the breakwater 180 has water holes 181 thereon.
In particular, in the present embodiment, the wave plates 180 are arranged in the case 110 at intervals; the water passing holes 181 are formed in the wave plate 180, and in the calibration process, large vibration and impact can be generated after the conveyor belt is started, so that the wave plate 180 can effectively prevent the liquid in the box 110 from violently shaking to influence the metering result. The water passing holes 181 on the wave plate 180 facilitate the liquid in the box body 110 to flow between the adjacent wave plates 180, effectively reduce the shaking of the liquid water in the box body 110 and improve the metering accuracy.
In an alternative exemplary embodiment, calibration device 100 further includes a degassing filter (not shown) disposed within housing 110 for filtering gases from the liquid within housing 110.
In particular, in the present embodiment, the calibration device 100 further includes a degassing filter disposed in the housing 110 for filtering the gas in the liquid in the housing 110. The gas generated during the process of filling the liquid into the tank 110 is filtered out by the degassing filter, thereby further improving the metering accuracy.
In an alternative exemplary embodiment, the calibration device 100 further comprises a speed sensor (not shown in the figures) electrically connected to the weighing meter 230 of the electronic belt scale 200 for measuring the speed of belt running of the electronic belt scale 200.
The second aspect of the present invention further provides a calibration method, which is applied to the calibration device 100, and includes:
adding a preset amount of liquid into the box 110 of the calibration device 100 for the first time;
measuring the volume of the first added liquid by the inlet flow meter 120 and the outlet flow meter of the calibration device 100;
determining the mass of the first added liquid according to the measured volume and density of the first added liquid, starting the electronic belt scale 200 for first verification and recording the verification result;
adding a preset amount of liquid into the box 110 of the calibration device 100 for the second time;
measuring the volume of the second addition of liquid by the inlet flow meter 120 and the outlet flow meter of the calibration device 100;
determining the sum of the mass of the first and second added liquids based on the measured sum of the volumes of the first and second added liquids and the density of the liquids; starting the electronic belt scale 200 to carry out the second verification and recording the verification result;
repeatedly adding liquid into the box body 110 of the calibration device 100, and determining the mass sum of the liquid in the box body 110 according to the measured sum of the volumes of the liquid added into the box body 110 and the density of the liquid; the electronic belt scale 200 is started to perform full-range verification and the verification result is recorded.
The calibration method provided by the invention is applied to the calibration device 100, so that the calibration device has the technical effects of accurately calibrating the specific quality value, and simultaneously, the calibration method is convenient for calibrating the liquid for multiple times, thereby ensuring the calibration accuracy of the electronic belt scale 200.
In order to more clearly define the calibration method, the invention takes water as an example, and 10%, 30% and 60% of full scale range are adopted as examples, and the specific calibration method comprises the following steps:
adding 10% of water with full range into the box body 110 of the calibration device 100 for the first time;
measuring the volume of water added for the first time by the flowmeter of the calibration device 100;
determining the mass of the water added for the first time according to the measured volume of the water added for the first time and the measured density of the water, starting the electronic belt scale 200 for the first time verification, and recording the verification result;
adding 30% of water with full range into the box body 110 of the calibration device 100 for the second time;
measuring the volume of the second addition of water by the flow meter of the calibration device 100;
determining the sum of the masses of the first and second additions based on the measured sum of the volumes of water of the first and second additions, i.e. 40% of the full scale, and the density of the water; starting the electronic belt scale 200 to carry out the second verification and recording the verification result;
adding 60% of water with full range into the box body 110 of the calibration device 100 for the third time;
measuring the volume of the third added water by the flowmeter of the calibration device 100, and determining the sum of the mass of the first, second and third added water according to the measured sum of the volumes of the first, second and third added water, namely the water with full range and the density of the water; the electronic belt scale 200 is started for a second verification and the verification result is recorded. And further the full-range verification of the electronic belt scale 200 is realized.
The third aspect of the present invention further provides an electronic belt scale 200, which comprises a scale body 210, a weighing sensor 220, a weighing instrument 230 and the calibration device 100; the weighing sensor 220 is mechanically connected with the scale body 210, and the weighing sensor 220 is electrically connected with the weighing instrument 230; the box body 110 of the calibration device 100 is connected with the scale body 210 of the electronic belt scale 200; the inlet flowmeter 120 of the calibration device 100 and the outlet flowmeter of the calibration device 100 are electrically connected with the weighing instrument 230 of the electronic belt scale 200.
The electronic belt scale 200 provided by the invention comprises the calibration device 100, so that the calibration device can accurately calibrate the specific mass value, and meanwhile, the liquid can be conveniently and repeatedly calibrated, and the technical effect of the calibration accuracy of the electronic belt scale 200 is further ensured.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Claims (9)
1. The calibration device is used for calibrating an electronic belt scale, and the electronic belt scale comprises a scale body, a weighing sensor and a weighing instrument; the weighing device is characterized in that the calibration device comprises a box body, a liquid inlet flowmeter and a liquid outlet flowmeter;
the box body is used for containing liquid and is connected with the balance body of the electronic belt balance, and the box body is provided with a liquid inlet and a liquid outlet;
the liquid inlet flowmeter is connected with the liquid inlet of the box body and is used for measuring the volume of liquid flowing into the box body through the liquid inlet;
the liquid outlet flowmeter is connected with the liquid outlet of the box body and is used for measuring the volume of liquid flowing out of the box body through the liquid outlet;
the liquid inlet flowmeter and the liquid outlet flowmeter are electrically connected with the weighing instrument of the electronic belt scale;
the temperature sensor is arranged in the box body and used for measuring the temperature of liquid in the box body, and the temperature sensor is electrically connected with a weighing instrument of the electronic belt scale;
the water heater also comprises wave plates which are arranged in the box body at intervals; the wave plate is provided with water holes;
the device also comprises a degassing filter, wherein the degassing filter is arranged in the box body and is used for filtering gas in liquid in the box body.
2. The calibration device of claim 1, further comprising a liquid inlet conduit and a liquid outlet conduit, wherein the liquid inlet conduit is connected to the liquid inlet and the liquid outlet conduit is connected to the liquid outlet.
3. The calibration device of claim 2, further comprising a liquid inlet valve body and a liquid outlet valve body; the liquid inlet valve body is connected with the liquid inlet pipeline and used for controlling the on-off of the liquid inlet pipeline; the liquid outlet valve body is connected with the liquid outlet pipeline and is used for controlling the on-off of the liquid outlet pipeline;
the liquid inlet valve body and the liquid outlet valve body are electrically connected with a weighing instrument of the electronic belt scale.
4. A calibration device according to claim 3, wherein the inlet valve body comprises a solenoid valve; and/or the number of the groups of groups,
the liquid outlet valve body comprises an electromagnetic valve.
5. The calibration device of claim 2, further comprising a liquid inlet waterproof cover and a liquid outlet waterproof cover;
the liquid inlet waterproof cover is covered at the joint of the liquid inlet and the liquid inlet pipeline, and when liquid is required to be filled into the box body, the liquid inlet waterproof cover is opened under the action of external force, so that the liquid inlet pipeline is communicated with the liquid inlet pipeline;
the liquid outlet waterproof cover is covered at the joint of the liquid outlet and the liquid outlet pipeline, and when liquid in the box body needs to be discharged, the liquid outlet waterproof cover is opened under the action of external force, so that the liquid outlet pipeline is communicated with the liquid outlet.
6. The calibration device of claim 5, further comprising a first drive member and a second drive member, each of the first drive member and the second drive member being electrically connected to a weighing scale of the electronic belt scale;
the first driving piece is in transmission connection with the liquid inlet waterproof cover, and the second driving piece is in transmission connection with the liquid outlet waterproof cover.
7. A calibration device according to any one of claims 1 to 6, wherein the liquid contained within the tank comprises water.
8. A calibration method, characterized by being applied to a calibration device according to any one of claims 1 to 7, comprising:
adding a preset amount of liquid into the box body of the calibration device for the first time;
measuring the volume of the first added liquid through a liquid inlet flowmeter and a liquid outlet flowmeter of the calibration device;
determining the mass of the liquid added for the first time according to the measured volume of the liquid added for the first time and the measured density of the liquid, starting the electronic belt scale for the first time verification, and recording the verification result;
adding a preset amount of liquid into the box body of the calibration device for the second time;
measuring the volume of the liquid added for the second time through a liquid inlet flowmeter and a liquid outlet flowmeter of the calibration device;
determining the sum of the mass of the first and second added liquids based on the measured sum of the volumes of the first and second added liquids and the density of the liquids; starting the electronic belt scale to carry out a second verification and recording a verification result;
repeatedly adding liquid into the box body of the calibration device, and determining the sum of the mass of the liquid in the box body according to the sum of the volumes of the liquid added into the box body and the density of the liquid; and starting the electronic belt scale to perform full-range verification and recording a verification result.
9. An electronic belt scale, characterized by comprising a scale body, a weighing sensor, a weighing instrument and a calibration device according to any one of claims 1 to 7; the weighing sensor is electrically connected with the balance body and the weighing instrument respectively; the box body of the calibration device is connected with the scale body of the electronic belt scale; and the liquid inlet flowmeter of the calibration device and the liquid outlet flowmeter of the calibration device are electrically connected with the weighing instrument of the electronic belt scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210493700.3A CN114894288B (en) | 2022-05-07 | 2022-05-07 | Calibration device, calibration method and electronic belt scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210493700.3A CN114894288B (en) | 2022-05-07 | 2022-05-07 | Calibration device, calibration method and electronic belt scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114894288A CN114894288A (en) | 2022-08-12 |
| CN114894288B true CN114894288B (en) | 2023-12-22 |
Family
ID=82721807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210493700.3A Active CN114894288B (en) | 2022-05-07 | 2022-05-07 | Calibration device, calibration method and electronic belt scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114894288B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2004116357A (en) * | 2004-06-01 | 2005-11-10 | Федеральное государственное унитарное предпри тие "Центральный аэрогидродинамический институт им. проф. Н.Е. Жуковского" (ФГУП "ЦАГИ") (RU) | METHOD FOR DETERMINING THE COSTS OF A GAS-LIQUID MIXTURE AND A DEVICE FOR ITS IMPLEMENTATION |
| CN101464185A (en) * | 2009-01-14 | 2009-06-24 | 徐州市三原技术产业有限公司 | Dynamic on-line calibration method and system for electronic belt scale |
| CN101556181A (en) * | 2009-05-20 | 2009-10-14 | 西安东风机电有限公司 | Composite static start-stop method mass flowmeter calibration system |
| CN203011462U (en) * | 2012-12-10 | 2013-06-19 | 南京卓越能源技术有限公司 | Dynamic monitoring system of belt materials |
| CN103837222A (en) * | 2014-03-12 | 2014-06-04 | 北京工业职业技术学院 | Belt weigher image calibration method and metering monitoring system |
| CN203772403U (en) * | 2014-03-12 | 2014-08-13 | 北京工业职业技术学院 | Belt weigher measurement monitoring system |
| CN107777292A (en) * | 2017-10-10 | 2018-03-09 | 龙岩烟草工业有限责任公司 | Belted electronic balance operating state monitoring system, method and tobacco system of processing |
| CN108267201A (en) * | 2016-12-30 | 2018-07-10 | 上海云统信息科技有限公司 | A kind of belt transports the metering method of bulk cargo |
| CN108692803A (en) * | 2017-04-07 | 2018-10-23 | 刘淼 | A kind of method of key calibration belted electronic balance and the belt conveyer scale with this method |
| CN109163503A (en) * | 2018-07-23 | 2019-01-08 | 芜湖佩林郁松计量科技有限公司 | A kind of cold container of liquid with function of measuring |
| CN110031079A (en) * | 2019-05-05 | 2019-07-19 | 山东钢铁股份有限公司 | A kind of belted electronic balance online calibration method |
| CN110031069A (en) * | 2019-04-12 | 2019-07-19 | 东北大学 | A kind of movable weighing belt and application method based on laser ranging |
| CN110133007A (en) * | 2019-04-17 | 2019-08-16 | 中国建材检验认证集团股份有限公司 | Coal consumption on-line metering system |
| CN110440884A (en) * | 2019-09-16 | 2019-11-12 | 徐州上达科技有限公司 | A kind of belt balance with high precision and its collecting method |
| CN211819365U (en) * | 2019-11-19 | 2020-10-30 | 西安威尔电子有限责任公司 | Weighing type oil well metering device |
| CN112209330A (en) * | 2020-10-21 | 2021-01-12 | 茅台学院 | Novel Maotai-flavor liquor filling and storing device and using method thereof |
-
2022
- 2022-05-07 CN CN202210493700.3A patent/CN114894288B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2004116357A (en) * | 2004-06-01 | 2005-11-10 | Федеральное государственное унитарное предпри тие "Центральный аэрогидродинамический институт им. проф. Н.Е. Жуковского" (ФГУП "ЦАГИ") (RU) | METHOD FOR DETERMINING THE COSTS OF A GAS-LIQUID MIXTURE AND A DEVICE FOR ITS IMPLEMENTATION |
| CN101464185A (en) * | 2009-01-14 | 2009-06-24 | 徐州市三原技术产业有限公司 | Dynamic on-line calibration method and system for electronic belt scale |
| CN101556181A (en) * | 2009-05-20 | 2009-10-14 | 西安东风机电有限公司 | Composite static start-stop method mass flowmeter calibration system |
| CN203011462U (en) * | 2012-12-10 | 2013-06-19 | 南京卓越能源技术有限公司 | Dynamic monitoring system of belt materials |
| CN103837222A (en) * | 2014-03-12 | 2014-06-04 | 北京工业职业技术学院 | Belt weigher image calibration method and metering monitoring system |
| CN203772403U (en) * | 2014-03-12 | 2014-08-13 | 北京工业职业技术学院 | Belt weigher measurement monitoring system |
| CN108267201A (en) * | 2016-12-30 | 2018-07-10 | 上海云统信息科技有限公司 | A kind of belt transports the metering method of bulk cargo |
| CN108692803A (en) * | 2017-04-07 | 2018-10-23 | 刘淼 | A kind of method of key calibration belted electronic balance and the belt conveyer scale with this method |
| CN107777292A (en) * | 2017-10-10 | 2018-03-09 | 龙岩烟草工业有限责任公司 | Belted electronic balance operating state monitoring system, method and tobacco system of processing |
| CN109163503A (en) * | 2018-07-23 | 2019-01-08 | 芜湖佩林郁松计量科技有限公司 | A kind of cold container of liquid with function of measuring |
| CN110031069A (en) * | 2019-04-12 | 2019-07-19 | 东北大学 | A kind of movable weighing belt and application method based on laser ranging |
| CN110133007A (en) * | 2019-04-17 | 2019-08-16 | 中国建材检验认证集团股份有限公司 | Coal consumption on-line metering system |
| CN110031079A (en) * | 2019-05-05 | 2019-07-19 | 山东钢铁股份有限公司 | A kind of belted electronic balance online calibration method |
| CN110440884A (en) * | 2019-09-16 | 2019-11-12 | 徐州上达科技有限公司 | A kind of belt balance with high precision and its collecting method |
| CN211819365U (en) * | 2019-11-19 | 2020-10-30 | 西安威尔电子有限责任公司 | Weighing type oil well metering device |
| CN112209330A (en) * | 2020-10-21 | 2021-01-12 | 茅台学院 | Novel Maotai-flavor liquor filling and storing device and using method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 浅谈运用组合法开展电子皮带秤检定校准工作;殷春前;郭钧;;工业计量(第S1期);全文 * |
| 电子皮带秤安装、使用及标定;苏振林;王建刚;;衡器(第11期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114894288A (en) | 2022-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7072775B2 (en) | Viscosity-corrected flowmeter | |
| US4417473A (en) | Multi-capacitor fluid level sensor | |
| CN101663566B (en) | Vibratory flow meter and method for correcting for an entrained phase in a two-phase flow of a flow material | |
| US7337084B2 (en) | Switch-activated zero checking feature for a Coriolis flowmeter | |
| US4448072A (en) | Fluid level measuring system | |
| CN105339776B (en) | The inspection of gauge sensor for vibration instrument | |
| US11933807B2 (en) | Measuring device for determining the density, the mass flow and/or the viscosity of a gas-charged liquid, processing system having such a measuring device, and method for monitoring a gas-charged liquid | |
| RU2610546C1 (en) | Mass flow and viscous liquid mass meter | |
| RU163766U1 (en) | METER OF MASS FLOW AND MASS OF VISCOUS LIQUIDS | |
| KR20140035954A (en) | System and method for preventing false flow measurements in a vibrating meter | |
| CN106643989A (en) | Density calibration system and method for mass flow meter | |
| CN114894288B (en) | Calibration device, calibration method and electronic belt scale | |
| US3241368A (en) | Apparatus and method for measuring the level of a liquid | |
| US4531405A (en) | Method and device for measuring the level of a fluid inside of a container | |
| US4602498A (en) | Densitometer | |
| US6003366A (en) | Liquid level indicating method and system | |
| RU2656279C1 (en) | Liquid mass measuring method by the chamber liquid mass meter and its measurement chamber | |
| US6202483B1 (en) | Volumetric flow metering apparatus | |
| CN207540605U (en) | A kind of quantitative Skip meter of magnetic force | |
| CN107741258A (en) | A kind of quantitative Skip meter of magnetic force | |
| CN210533482U (en) | Immersion type liquid level meter | |
| RU2666179C1 (en) | Mass chamber liquid counter | |
| RU2047108C1 (en) | Method and ultrasonic device to determine capacity and graduate tanks | |
| US4448071A (en) | Method of measuring and indicating fluid levels | |
| SU1654667A1 (en) | Model flowmetering rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |